Category: Projects

Interactive Halloween thunder effects

This is one in a series of Halloween electronics posts. Read the full series: Spooky motion-sensitive Halloween eyes Interactive Halloween thunder effects Halloween goggles In my last post, I presented the motion-sensitive electronic eyes I designed for a friend’s haunted house. In this post, I will show you the module I built that generates ambient … Continue reading Interactive Halloween thunder effects

Spooky motion-sensitive Halloween eyes

This is one in a series of Halloween electronics posts. Read the full series: Spooky motion-sensitive Halloween eyes Interactive Halloween thunder effects Halloween goggles For halloween this year, some friends did a sort of “mini haunted house” in their garage. The plan was to mix having a small party with handing out candy and to … Continue reading Spooky motion-sensitive Halloween eyes

Son of RatRacer: Mouse Car

After the initial failure described in yesterday’s blog post about the RatRacer, I thought I would scale down the problem a bit. I figured it would be easier to iterate through design tweaks when big parts took 20 minutes to print versus 120 minutes per part. If I ended up with a sound design for … Continue reading Son of RatRacer: Mouse Car

On designing and building the Rat Racer

As you might have guessed from the previous post about attic rats, I had a few leftover rat traps. And what does one do with leftover traps? I supposed you could do something cool with ping pong balls, but I did not have nearly enough traps or ping pong balls. I have a vague childhood … Continue reading On designing and building the Rat Racer

ARG Tools v2.1

I hit the App Store “release” button for ARG Tools v2.1, which means it should be showing up in your iTunes and on your devices shortly. This version adds a couple of new features as well as a few reference sheets, but the important news is that this may be the final version of ARG … Continue reading ARG Tools v2.1

Use the best available braille

Unicode character support in fonts beyond the standard “western” letters and punctuation is a wild and largely unexplored territory.  Font designers can be a little more free and have a little more fun because those characters are so rarely used.  After all, how often do you “type in” a letter that’s not on your keyboard? … Continue reading Use the best available braille

The design and manufacture of a cat toy

Yesterday I taked about fixing a cat toy.  Today, I should briefly mention the one I designed a couple of weekends ago.  I’ve had the idea kicking around in my head for quite a few months to design a treat-dispensing cat toy.  Surprisingly, there is not one already on Thingiverse.  I sketched out a quick … Continue reading The design and manufacture of a cat toy

Eerie glow stick halloween eyes

Glow sticks plus construction paper plus a dark setting: Recently I saw a couple of crafty articles flow across my RSS newsreader that involved making creepy glowing halloween eyes by using glow sticks and empty toilet paper tubes. I thought it was a cool idea, but saw three fundamental flaws in those designs. 1. “It … Continue reading Eerie glow stick halloween eyes

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